Finding the Fourth Proportional to 370,489.21, 555,779.27 and 104,249.99
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Solution
The fourth proportional to 370,489.21, 555,779.27 and 104,249.99 is: 156,387.77
Step by Step Solution
- Step 1: Write the proportion equation
370,489.21 : 555,779.27 = 104,249.99 : x - Step 2: Convert to fraction form
370,489.21/555,779.27 = 104,249.99/x - Step 3: Cross multiply
370,489.21x = 555,779.27 × 104,249.99 - Step 4: Simplify right side
370,489.21x = 57,939,980,300.19 - Step 5: Solve for x
x = 57,939,980,300.19/370,489.21 - Step 6: Final answer
x = 156,387.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.